001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.shared.kerberos.codec.etypeInfo2Entry.actions; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.BerValue; 026import org.apache.directory.api.asn1.ber.tlv.TLV; 027import org.apache.directory.api.util.Strings; 028import org.apache.directory.shared.kerberos.codec.etypeInfo2Entry.ETypeInfo2EntryContainer; 029import org.apache.directory.shared.kerberos.components.ETypeInfo2Entry; 030import org.slf4j.Logger; 031import org.slf4j.LoggerFactory; 032 033 034/** 035 * The action used to store the ETYPE-INFO2-ENTRY cipher 036 * 037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 038 */ 039public class StoreSalt extends GrammarAction<ETypeInfo2EntryContainer> 040{ 041 /** The logger */ 042 private static final Logger LOG = LoggerFactory.getLogger( StoreSalt.class ); 043 044 /** Speedup for logs */ 045 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 046 047 048 /** 049 * Instantiates a new StoreSalt action. 050 */ 051 public StoreSalt() 052 { 053 super( "ETYPE-INFO2-ENTRY salt" ); 054 } 055 056 057 /** 058 * {@inheritDoc} 059 */ 060 public void action( ETypeInfo2EntryContainer eTypeInfo2EntryContainer ) 061 { 062 TLV tlv = eTypeInfo2EntryContainer.getCurrentTLV(); 063 ETypeInfo2Entry etypeInfo2Entry = eTypeInfo2EntryContainer.getETypeInfo2Entry(); 064 065 // The Length may be null 066 if ( tlv.getLength() != 0 ) 067 { 068 BerValue value = tlv.getValue(); 069 070 // The encrypted data may be null 071 if ( value.getData() != null ) 072 { 073 String salt = Strings.utf8ToString( value.getData() ); 074 etypeInfo2Entry.setSalt( salt ); 075 } 076 } 077 078 if ( IS_DEBUG ) 079 { 080 LOG.debug( "salt : {}", etypeInfo2Entry.getSalt() ); 081 } 082 083 // We can end here 084 eTypeInfo2EntryContainer.setGrammarEndAllowed( true ); 085 } 086}